/Engine/Source/Editor/BlueprintGraph/Classes/BlueprintVariableNodeSpawner.h
Accessor to the variable's property. Will be null if this is for a local variable (as they don't have UProperties associated with them).
Null if this wraps a local variable (or if the variable property is stale), otherwise the property this was initialized with.
[FProperty](API\Runtime\CoreUObject\UObject\FProperty) const * GetVarProperty() const